save project

diy.py

@@ -2,6 +2,8 @@ a=["华雄"]
 a.insert(1,"关羽")
 a.append("曹操")
 list=["文丑","颜良"]
-a.extend()
-
-print(a)
\ No newline at end of file
+a.extend(list)
+c=["吕布"]
+b=["袁术","公孙瓒","关羽","张飞","刘备","曹操"]
+c.extend(b[2:5])
+print(c)